Alpha particle nucleon cluster — Free Physics Illustration

Physics

Alpha particle nucleon cluster

Clean scientific diagram of an alpha particle as a compact helium-4 nucleus made of four touching nucleons packed into a dense rounded, diamond-like, square, or slightly tetrahedral cluster. Show two red proton spheres and two blue, blue-gray, or gray neutron spheres tightly joined as a stable symmetric group, slightly larger than a single proton. No surrounding electrons. A small positive-charge cue may appear nearby or on the protons, but the main structure is the visible four-nucleon bundle. Slight 3D shading is acceptable while remaining a simple scientific icon.

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